Olympic rings on purple

Olympic rings on purple

John MacDougall / AFP/Getty Images

Serbia's Novak Djokovic returns a shot to Australia's Lleyton Hewitt in the third round of men's singles during the London Olympics at Wimbledon. Djokovic won the match. Wimbledon's colors are purple and green.

Serbia's Novak Djokovic returns a shot to Australia's Lleyton Hewitt in the third round of men's singles during the London Olympics at Wimbledon. Djokovic won the match. Wimbledon's colors are purple and green. (John MacDougall / AFP/Getty Images)

Serbia's Novak Djokovic returns a shot to Australia's Lleyton Hewitt in the third round of men's singles during the London Olympics at Wimbledon. Djokovic won the match. Wimbledon's colors are purple and green.